David and Desert Tech are outstanding. They are very knowledgeable and... read more David and Desert Tech are outstanding. They are very knowledgeable and courteous. More importantly, they did an outstanding job taking care of all the issues that BMW Tucson stated my car had (after verifying) and $1000 cheaper. My car runs fabulous. I waited 4 weeks to write this review to make sure no issues arose, and I am very pleased. I wholeheartedly recommend them.